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1 个结果
  • 简介:Thefracturetoughnessofhardbiomaterials,suchasnacre,bovinehoofwallandbeetlecuticle,isassociatedwithfibrousorlamellarstructuresthatdeflectorstopgrowingcracks.Theirhardnessandreducedmodulusweremeasuredbyusingananoindenterinthispaper.Micro/nanoscalecracksweregeneratedbynanoindentationusingaBerkovichtip.Nanoindentationofnacreandbovinehoofwallresultedinpile-uparoundtheindent.Itwasfoundthatthefracturetoughness(KC)ofbovinehoofwallisthemaximum,thesecondisnacre,andtheelytracuticleofdungbeetleistheleastone.

  • 标签: 生物材料 断裂韧度 纳米压入技术 仿生学